I asked my teacher for help and she didn’t. Please help. All info is on the pic.

Question

asked Oct 18, 2023 11.3k views

1 Answer

JeffreyLazo · Answer 1 · 2023-10-23T01:25:10+0000

Total arc lenght of a circle = 360°

mAD + m AB + m BC + m DC = 360

100 + 110 + 90 + mDC = 360

mDC = 360 - 100 - 110 - 90

mDC = 60